Skip Content


Triangle Turning Insert, TNMG, 331, Common-TT8020

  • Item # 4VGF5
  • My Part #
  • Mfr. Model # TNMG331 TT8020
  • Catalog Page # N/A
  • UNSPSC # 23171618
Triangle Turning Insert, TNMG, 331, Common-TT8020 close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Clearance Price $4.44 / each

Web Price $13.95

Shipping: pkg of 10

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 0.02 lbs.
Country of Origin Unknown Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Turning Insert
  • Insert Shape Triangle
  • Insert Style TNMG
  • Insert Size 331
  • Chip-Breaker Common
  • Grade TT8020
  • Insert Application Medium
  • Workpiece Compatibility Cast Iron (K),Stainless (M),Steel (P)
  • Inscribed Circle 3/8"
  • Insert Thickness 0.1875"
  • Nose Radius 0.0157"
  • ANSI Number TNMG331 TT8020
  • ISO Number TNMG160404 TT8020
  • Insert Material Carbide
  • Coating PVD-TiCN
  • Cutting Direction Neutral
  • Rake Negative
  • For Use With TTFN, TTJN Toolholders
  • No. of Edges 6
  • Mounting Hole Dia. 0.150"
  • Mounting Style Top and Hole Clamping
  • Steel (P) Compatibility Yes
  • Stainless (M) Compatibility Yes
  • Cast Iron (K) Compatibility Yes
  • Non Ferrous (N) Compatibility No
  • Super Alloy (S) Compatibility No
  • Hardened (H) Compatibility No
How can we improve our Technical Specifications?

Compliance and Restrictions

  • This item is restricted for international sale.

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.